When you perform a search and you have a subscription to Biological Abstracts, BIOSIS Citation Index, or BIOSIS Previews, you can copy a term from the following list and paste it in the Concept Codes/Headings field. You can also use these terms in advanced search using the CC field tag. Separate multiple terms using the OR Boolean operator.
| Broad Concept Heading | Concept Code | Concept Heading |
|---|---|---|
| General biology | 00502 | philosophy |
| 00504 | taxonomy, nomenclature and terminology | |
| 00506 | explorations, expeditions, etc. | |
| 00508 | institutions, administration and legislation | |
| 00510 | museums, botanical/zoological gardens, aquaria | |
| 00512 | conservation, resource management | |
| 00514 | textbooks, general; education; audio-visual aids | |
| 00516 | nature study and materials | |
| 00518 | nontechnical literature (minor only) | |
| 00520 | symposia, transactions, proceedings | |
| 00522 | history and archaeology | |
| 00524 | biographies | |
| 00526 | bibliography | |
| 00530 | information, documentation, retrieval and computer applications | |
| 00531 | forensic science | |
| 00532 | miscellaneous | |
| Methods | 01004 | laboratory methods |
| 01006 | laboratory apparatus | |
| 01008 | field methods | |
| 01010 | field apparatus | |
| 01012 | photography | |
| 01014 | apparatus; miscellaneous | |
| Microscopy | 01052 | general and special techniques |
| 01054 | cytology and cytochemistry | |
| 01056 | histology and histochemistry | |
| 01058 | electron microscopy | |
| Evolution | 01500 | Evolution |
| Cytology | 02502 | general |
| 02504 | plant | |
| 02506 | animal | |
| 02508 | human | |
| Genetics | 03502 | general |
| 03504 | plant | |
| 03506 | animal | |
| 03508 | human | |
| 03509 | population genetics | |
| 03510 | sex differences | |
| Mathematical biology and statistical methods | 04500 | Mathematical biology and statistical methods |
| Physical anthropology; ethnobiology | 05000 | Physical anthropology; ethnobiology |
| Social biology; human ecology | 05500 | Social biology; human ecology |
| Aerospace/underwater biology | 06002 | general; methods |
| 06004 | ecology and psychology | |
| 06006 | physiology and medicine | |
| 06008 | engineering and instrumentation | |
| 06010 | exobiology | |
| 06012 | space radiation | |
| Subterranean bioresearch | 06400 | Subterranean bioresearch |
| Radiation biology | 06502 | general |
| 06504 | radiation and isotope techniques | |
| 06506 | radiation effects and protective measures | |
| Behavioral biology | 07002 | general and comparative behavior |
| 07003 | animal behavior | |
| 07004 | human behavior | |
| 07005 | conditioning | |
| 07006 | animal communication | |
| Circadian rhythms and other periodic cycles | 07200 | Circadian rhythms and other periodic cycles |
| Ecology; Environmental Biology | 07502 | general; methods |
| 07504 | bioclimatology and biometeorology | |
| 07506 | plant | |
| 07508 | animal | |
| 07510 | oceanography and limnology | |
| 07512 | oceanography | |
| 07514 | limnology | |
| 07516 | wildlife management; aquatic | |
| 07518 | Wildlife management; terrestrial | |
| Clinical Biochemistry; General Methods and Applications | 10006 | Clinical biochemistry; general methods and applications |
| Comparative Biochemistry, General | 10010 | Comparative biochemistry, general |
| Biochemistry | 10011 | physiological water studies |
| Biochemistry; Gases | 10012 | Biochemistry; gases |
| Biochemistry methods | 10050 | general |
| 10052 | nucleic acids, purines and pyrimidines | |
| 10053 | vitamins | |
| 10054 | proteins, peptides and amino acids | |
| 10055 | porphyrins and bile pigments | |
| 10056 | lipids | |
| 10057 | sterols and steroids | |
| 10058 | carbohydrates | |
| 10059 | minerals | |
| Biochemistry Studies | 10060 | general |
| 10062 | nucleic acids, purines and pyrimidines | |
| 10063 | vitamins | |
| 10064 | proteins, peptides and amino acids | |
| 10065 | porphyrins and bile pigments | |
| 10066 | lipids | |
| 10067 | sterols and steroids | |
| 10068 | carbohydrates | |
| 10069 | minerals | |
| Replication, Transcription, Translation | 10300 | Replication, transcription, translation |
| Biophysics | 10502 | general biophysical studies |
| 10504 | general biophysical techniques | |
| 10506 | molecular properties and macromolecules | |
| 10508 | membrane phenomena | |
| 10510 | bioenergetics: electron transport and oxidative phosphorylation | |
| 10511 | bioengineering | |
| 10515 | biocybernetics | |
| External Effects | 10602 | general |
| 10604 | light and darkness | |
| 10606 | pressure | |
| 10608 | sonics; ultrasonics | |
| 10610 | electric, magnetic and gravitational phenomena | |
| 10612 | physical and mechanical effect | |
| 10614 | temperature as a primary variable | |
| 10616 | temperature as a primary variable - cold | |
| 10618 | temperature as a primary variable - hot | |
| 10620 | humidity | |
| Enzymes | 10802 | general and comparative studies; coenzymes |
| 10804 | methods | |
| 10806 | chemical and physical | |
| 10808 | physiological studies | |
| Anatomy General/Comparative | 11102 | gross anatomy |
| 11103 | comparative anatomy | |
| 11104 | experimental anatomy | |
| 11105 | surgery | |
| 11106 | radiologic anatomy | |
| 11107 | regeneration and transplantation | |
| 11108 | microscopic and ultramicroscopic anatomy | |
| Chordate Body Regions | 11302 | general |
| 11304 | head | |
| 11306 | facial | |
| 11308 | neck | |
| 11309 | shoulder | |
| 11310 | back and buttocks | |
| 11311 | lumbar | |
| 11312 | thorax | |
| 11314 | abdomen | |
| 11316 | pelvis | |
| 11318 | extremities | |
| Physiology: Gen./Misc. | 12002 | general |
| 12003 | comparative | |
| 12004 | instrumentation | |
| 12006 | methods | |
| 12008 | stress | |
| 12010 | exercise and physical therapy | |
| Movement | 12100 | Movement |
| Pathology: Gen./Misc. | 12502 | general |
| 12503 | comparative | |
| 12504 | diagnostic | |
| 12508 | inflammation and inflammatory disease | |
| 12510 | necrosis | |
| 12512 | therapy | |
| Metabolism | 13002 | general metabolism; metabolic pathways |
| 13003 | energy and respiratory metabolism | |
| 13004 | carbohydrates | |
| 13006 | lipids | |
| 13008 | sterols and steroids | |
| 13010 | minerals | |
| 13012 | proteins, peptides and amino acids | |
| 13013 | porphyrins and bile pigments | |
| 13014 | nucleic acids, purines and pyrimidines | |
| 13015 | vitamins, general | |
| 13016 | fat-soluble vitamins | |
| 13018 | water-soluble vitamins | |
| 13020 | metabolic disorders | |
| Nutrition | 13202 | general studies, nutritional status and methods |
| 13203 | malnutrition; obesity | |
| 13206 | minerals | |
| 13207 | vitamins, general | |
| 13208 | fat-soluble vitamins | |
| 13210 | water-soluble vitamins | |
| 13214 | general dietary studies | |
| 13216 | pathogenic diets | |
| 13218 | prophylactic and therapeutic diets | |
| 13220 | carbohydrates | |
| 13222 | lipids | |
| 13224 | proteins, peptides and amino acids | |
| 13226 | sterols and steroids | |
| Food Technology | 13502 | general; methods |
| 13504 | fruits, nuts and vegetables | |
| 13506 | milling technology | |
| 13508 | baking technology | |
| 13510 | cereal chemistry | |
| 13512 | malts, brews and other fermentation products | |
| 13514 | fats and oils | |
| 13516 | meats and meat by-products | |
| 13518 | dairy products | |
| 13520 | poultry and eggs | |
| 13522 | fish and other marine and freshwater products | |
| 13524 | sugar | |
| 13530 | evaluations of physical and chemical properties | |
| 13532 | preparation, processing and storage | |
| 13534 | synthetic, supplemental and enrichment foods | |
| Digestive System | 14001 | general; methods |
| 14002 | anatomy | |
| 14004 | physiology and biochemistry | |
| 14006 | pathology | |
| Cardiovascular System | 14501 | general; methods |
| 14502 | anatomy | |
| 14504 | physiology and biochemistry | |
| 14506 | heart pathology | |
| 14508 | blood vessel pathology | |
| Blood | 15001 | general; methods |
| 15002 | blood and lymph studies | |
| 15004 | blood cell studies | |
| 15006 | blood, lymphatic and reticuloendothelial pathologies | |
| 15008 | lymphatic tissue and reticuloendothelial system | |
| 15010 | other body fluids | |
| Urinary System | 15501 | general; methods |
| 15502 | anatomy | |
| 15504 | physiology and biochemistry | |
| 15506 | pathology | |
| Respiratory System | 16001 | general; methods |
| 16002 | anatomy | |
| 16004 | physiology and biochemistry | |
| 16006 | pathology | |
| Reproductive System | 16501 | general; methods |
| 16502 | anatomy | |
| 16504 | physiology and biochemistry | |
| 16506 | pathology | |
| Endocrine | 17002 | general |
| 17004 | adrenals | |
| 17006 | gonads and placenta | |
| 17008 | pancreas | |
| 17010 | parathyroid | |
| 17012 | pineal | |
| 17014 | pituitary | |
| 17016 | thymus | |
| 17018 | thyroid | |
| 17020 | neuroendocrinology | |
| Muscle | 17501 | general; methods |
| 17502 | anatomy | |
| 17504 | physiology and biochemistry | |
| 17506 | pathology | |
| Bones, Joints, Fasciae, Connective and Adipose Tissue | 18001 | general; methods |
| 18002 | anatomy | |
| 18004 | physiology and biochemistry | |
| 18006 | pathology | |
| Coelomic Membranes; Mesenteries and Related Structures | 18200 | Coelomic membranes; mesenteries and related structures |
| Integumentary System | 18501 | general; methods |
| 18502 | anatomy | |
| 18504 | physiology and biochemistry | |
| 18506 | pathology | |
| Dental Biology | 19001 | general; methods |
| 19002 | anatomy | |
| 19004 | physiology and biochemistry | |
| 19006 | pathology | |
| Sense Organs | 20001 | general; methods |
| 20002 | anatomy | |
| 20004 | physiology and biochemistry | |
| 20006 | pathology | |
| 20008 | deafness, speech and hearing | |
| Nervous System | 20501 | general; methods |
| 20502 | anatomy | |
| 20504 | physiology and biochemistry | |
| 20506 | pathology | |
| Psychiatry | 21001 | general; medical psychology and sociology |
| 21002 | psychopathology; psychodynamics and therapy | |
| 21003 | psychophysiology | |
| 21004 | addiction (alcohol, drugs, smoking, etc.) | |
| 21006 | mental retardation | |
| Pharmacology | 22002 | general |
| 22003 | drug metabolism; metabolic stimulators | |
| 22005 | clinical pharmacology | |
| 22008 | blood and hematopoietic agents | |
| 22010 | cardiovascular system | |
| 22012 | connective tissue, bone and collagen-acting drugs | |
| 22014 | digestive system | |
| 22016 | endocrine system | |
| 22018 | immunological processes and allergy | |
| 22020 | integumentary system, dental and oral biology | |
| 22022 | muscle system | |
| 22024 | neuropharmacology | |
| 22026 | psychopharmacology | |
| 22028 | reproductive system; implantation studies | |
| 22030 | respiratory system | |
| 22031 | sense organs, associated structures and functions | |
| 22032 | urinary system | |
| Routes of Immunization, Infection and Therapy | 22100 | Routes of immunization, infection and therapy |
| Toxicology | 22501 | general; methods and experimental |
| 22502 | foods, food residues, additives and preservatives | |
| 22504 | pharmacological toxicology | |
| 22505 | antidotes and preventative toxicology | |
| 22506 | environmental and industrial toxicology | |
| 22508 | veterinary toxicology | |
| Temperature | 23001 | general measurement and methods |
| 23004 | cryobiology | |
| 23005 | thermotherapy | |
| 23006 | hypothermia, hyperthermia | |
| 23007 | thermopathology | |
| 23008 | thermorhythms | |
| 23010 | thermoadaptation | |
| 23012 | thermoregulation | |
| Neoplasms | 24001 | diagnostic methods |
| 24002 | general | |
| 24003 | immunology | |
| 24004 | pathology; clinical aspects; systemic effects | |
| 24005 | neoplastic cell lines | |
| 24006 | biochemistry | |
| 24007 | carcinogens and carcinogenesis | |
| 24008 | therapeutic agents; therapy | |
| 24010 | blood and reticuloendothelial neoplasms | |
| Gerontology | 24500 | Gerontology |
| Pediatrics | 25000 | Pediatrics |
| Developmental/Embryology | 25502 | general and descriptive |
| 25503 | pathological | |
| 25504 | experimental | |
| 25508 | morphogenesis, general | |
| 25552 | descriptive teratology/teratogenesis | |
| 25554 | experimental teratology/teratogenesis | |
| Animal Production | 26502 | general; methods |
| 26504 | feeds and feeding | |
| 26506 | breeds and breeding | |
| Poultry Production | 27002 | general; methods |
| 27004 | feeds and feeding | |
| 27006 | breeds and breeding | |
| Microorganisms, General | 29500 | Microorganisms, general |
| Bacteriology, General and Systematic | 30000 | Bacteriology, general and systematic |
| Morphology and Cytology of Bacteria | 30500 | Morphology and cytology of bacteria |
| Physiology and Biochemistry of Bacteria | 31000 | Physiology and biochemistry of bacteria |
| Genetics of Bacteria and Viruses | 31500 | Genetics of bacteria and viruses |
| Microbiological Apparatus, Methods and Media | 32000 | Microbiological apparatus, methods and media |
| Microbiological Ultrastructure | 32300 | Microbiological ultrastructure |
| Tissue Culture, Apparatus, Methods and Media | 32500 | Tissue culture, apparatus, methods and media |
| In Vitro Studies, Cellular and Subcellular | 32600 | In vitro studies, cellular and subcellular |
| Virology | 33502 | general; methods |
| 33504 | bacteriophage | |
| 33506 | animal host viruses | |
| 33508 | plant host viruses | |
| Immunology | 34502 | general; methods |
| 34504 | bacterial, viral and fungal | |
| 34506 | immunohematology, blood groups | |
| 34508 | immunopathology, tissue immunology | |
| Immunology, Parasitological | 35000 | Immunology, parasitological |
| Allergy | 35500 | Allergy |
| Medical and Clinical Microbiology | 36001 | general; methods and techniques |
| 36002 | bacteriology | |
| 36006 | virology | |
| 36007 | phycology | |
| 36008 | mycology | |
| 36504 | serodiagnosis | |
| 36506 | skin tests | |
| Public Health | 37001 | general and miscellaneous |
| 37003 | epizootiology | |
| 37006 | public health laboratory methods | |
| 37008 | disinfection and vector control; pesticides | |
| 37010 | public health administration and statistics | |
| 37012 | health services and medical care | |
| 37013 | occupational health | |
| 37014 | sewage disposal and sanitary measures | |
| 37015 | air, water and soil pollution | |
| 37017 | radiation health | |
| 37019 | miscellaneous | |
| Public Health: Epidemiology | 37052 | communicable diseases |
| 37054 | organic diseases and neoplasms | |
| 37056 | miscellaneous | |
| Public Health: Disease Vectors | 37057 | general |
| 37058 | animate | |
| 37060 | inanimate | |
| Public Health Microbiology | 37400 | Public health microbiology |
| Veterinary Science | 38002 | general; methods |
| 38004 | pathology | |
| 38006 | microbiology | |
| Chemotherapy | 38502 | general; methods; metabolism |
| 38504 | antibacterial agents | |
| 38506 | antiviral agents | |
| 38508 | antifungal agents | |
| 38510 | antiparasitic agents | |
| Food Microbiology | 39002 | food and beverage spoilage and contamination |
| 39003 | food and beverage fermentation | |
| 39004 | antibiotics, biologics, other agents | |
| 39006 | biodegradation and biodeterioration | |
| 39007 | biosynthesis, bioassay and fermentation | |
| 39008 | general and miscellaneous | |
| Disinfection, Disinfectants and Sterilization | 39500 | Disinfection, disinfectants and sterilization |
| Soil Microbiology | 40000 | Soil microbiology |
| Cosmetics | 42100 | Cosmetics |
| Paleobotany | 50000 | Paleobotany |
| Palynology | 50100 | Palynology |
| Botany: General/Systematic | 50501 | cryptogamae (major only) |
| 50503 | thallophyta (major only) | |
| 50504 | algae (major only) | |
| 50506 | fungi (major only) | |
| 50510 | lichenes (major only) | |
| 50511 | embryophyta (major only) | |
| 50512 | bryophyta (major only) | |
| 50513 | tracheophyta (major only) | |
| 50514 | pteridophyta (major only) | |
| 50516 | spermatophyta (major only) | |
| 50518 | gymnospermae (major only) | |
| 50522 | angiospermae (major only) | |
| 50524 | monocotyledones (major only) | |
| 50526 | dicotyledones (major only) | |
| 50528 | floristics and distribution | |
| 50530 | gen./miscell. (major only) | |
| Morphology, Anatomy and Embryology of Plants | 51000 | Morphology, anatomy and embryology of plants |
| Plant Physiology | 51502 | water relations |
| 51503 | temperature | |
| 51504 | nutrition | |
| 51506 | photosynthesis | |
| 51508 | respiration, fermentation | |
| 51510 | growth, differentiation | |
| 51512 | reproduction | |
| 51514 | growth substances | |
| 51516 | light and radiation effects | |
| 51517 | electric, magnetic and gravitational phenomena | |
| 51518 | enzymes | |
| 51519 | metabolism | |
| 51520 | translocation, accumulation | |
| 51522 | chemical constituents | |
| 51523 | bioluminescence | |
| 51524 | apparatus and methods | |
| 51526 | general and miscellaneous | |
| Economic Botany, General | 52000 | Economic botany, general |
| Agronomy | 52502 | general, miscellaneous and mixed crops |
| 52504 | grain crops | |
| 52506 | forage crops and fodder | |
| 52508 | fiber crops | |
| 52510 | sugar crops | |
| 52512 | tobacco crops | |
| 52514 | oil crops | |
| 52518 | weed control | |
| Soil Science | 52801 | general; methods |
| 52803 | genesis, morphology, classification, geology | |
| 52805 | physics and chemistry | |
| 52807 | fertility and applied studies | |
| Horticulture | 53002 | temperate zone fruits and nuts |
| 53004 | tropical/subtropical fruits ; plantation crops | |
| 53006 | small fruits | |
| 53008 | vegetables | |
| 53010 | flowers and ornamentals | |
| 53012 | general; miscellaneous and mixed crops | |
| Forestry and Forest Products | 53500 | Forestry and forest products |
| Pharmacognosy and Pharmaceutical botany | 54000 | Pharmacognosy and pharmaceutical botany |
| Phytopathology | 54502 | diseases caused by fungi |
| 54504 | diseases caused by bacteria | |
| 54506 | diseases caused by phanerogams | |
| 54507 | diseases caused by algae | |
| 54508 | diseases caused by animal parasites | |
| 54510 | diseases caused by viruses | |
| 54512 | nonparasitic diseases | |
| 54514 | parasitism and resistance | |
| 54516 | disease control | |
| 54518 | general and miscellaneous | |
| Pest Control: General; Pesticides; Herbicides | 54600 | Pest control: general; pesticides; herbicides |
| Economic Entomology | 60002 | general |
| 60004 | field, flower and truck crops | |
| 60006 | fruits and nuts | |
| 60008 | stored products | |
| 60010 | trees, ornamentals and wood products | |
| 60012 | animal pests | |
| 60014 | biological control | |
| 60015 | integrated control | |
| 60016 | chemical control, general; apparatus | |
| 60018 | apiculture | |
| 60020 | sericulture | |
| Parasitology | 60502 | general |
| 60504 | medical | |
| 60506 | veterinary | |
| Sanitary entomology | 61000 | Sanitary entomology |
| Chordata: General/Systematic Zoology | 62502 | general (major only) |
| 62503 | protochordata (major only) | |
| Chordata: General/Systematic | 62510 | pisces (major only) |
| 62512 | amphibia (major only) | |
| 62514 | amphibia (major only) | |
| 62516 | reptilia (major only | |
| 62518 | aves (major only) | |
| 62520 | mammalia (major only) | |
| Animal Distribution | 62800 | Animal distribution |
| Paleozoology | 63000 | Paleozoology |
| Invertebrata: General/Systematic | 63501 | general (major only) |
| 63502 | protozoa (major only) | |
| 63504 | mesozoa (major only) | |
| 63506 | porifera (major only) | |
| 63508 | cnidaria (major only) | |
| 63509 | ctenophora (major only) | |
| 63510 | platyhelminthes (major only) | |
| 63512 | rhynchocoela (major only) | |
| 63514 | acanthocephala (major only) | |
| 63516 | aschelminthes (major only) | |
| 63518 | entoprocta (major only) | |
| 63520 | phoronidea (major only) | |
| 63522 | ectoprocta (major only) | |
| 63524 | brachiopoda (major only) | |
| 63526 | mollusca (major only) | |
| 63528 | sipunculoidea (major only) | |
| 63530 | annelida (major only) | |
| 63532 | echiuroidea (major only) | |
| 63534 | linguatulida (major only) | |
| 63536 | tardigrada (major only) | |
| 63538 | onychophora (major only) | |
| 63542 | chaetognatha (major only) | |
| 63544 | hemichordata (major only) | |
| 63546 | pogonophora (major only) | |
| 63548 | echinodermata (major only) | |
| 63552 | arthropoda: general (major only) | |
| 63554 | arthropoda: crustacea (major only) | |
| 63556 | arthropoda: myriapoda (major only) | |
| 63572 | insecta: general (major only) | |
| 63573 | insecta: coleoptera (major only) | |
| 63574 | insecta: diptera (major only) | |
| 63576 | fossil insecta (major only) | |
| 63578 | insecta: hemiptera | |
| 63580 | insecta: homoptera (major only) | |
| 63582 | insecta: hymenoptera (major only) | |
| 63584 | insecta: lepidoptera (major only) | |
| 63586 | insecta: neuroptera (major only) | |
| 63588 | insecta: orthoptera (major only) | |
| 63590 | insecta: other orders (major only) | |
| 63592 | chelicerata: general (major only) | |
| 63594 | chelicerata: arachnida (major only) | |
| 63596 | chelicerata: acarina (major only) | |
| 63597 | chelicerata: merostomata (major only) | |
| 63598 | chelicerata: pycnogonida | |
| Invertebrata: Comparative Experimental Morphology, Physiology and Pathology | 64001 | general |
| 64002 | protozoa | |
| 64004 | mesozoa | |
| 64006 | porifera | |
| 64008 | cnidaria | |
| 64009 | ctenophora | |
| 64010 | platyhelminthes | |
| 64012 | rhynchocoela | |
| 64014 | acanthocephala | |
| 64016 | aschelminthes | |
| 64018 | entoprocta | |
| 64020 | phoronidea | |
| 64022 | ectoprocta | |
| 64024 | brachiopoda | |
| 64026 | mollusca | |
| 64028 | sipunculoidea | |
| 64030 | annelida | |
| 64032 | echiuroidea | |
| 64034 | linguatulida | |
| 64036 | tardigrada | |
| 64038 | onychophora | |
| 64042 | chaetognatha | |
| 64044 | hemichordata | |
| 64046 | pogonophora | |
| 64048 | echinodermata | |
| 64052 | arthropoda: general | |
| 64054 | arthropoda: crustacea | |
| 64056 | arthropoda: myriapoda | |
| 64060 | arthropoda: chelicerata | |
| 64072 | insecta: general | |
| 64074 | insecta: morphology, comparative | |
| 64076 | insecta: physiology | |
| 64078 | insecta: pathology | |
| Invertebrate Body Regions | 64202 | general |
| 64204 | head | |
| 64206 | cephalothorax | |
| 64208 | thorax | |
| 64210 | abdomen | |
| 64212 | appendages | |
| 64214 | hard parts | |
| 64216 | orifices, pores and cavities | |
| 64218 | special organs | |
| Paleobiology | 64500 | Paleobiology |
| Geological Periods | 64702 | General and Unspecified |
| 64704 | Precambrian | |
| 64705 | Paleozoic, General | |
| 64706 | Cambrian | |
| 64708 | Ordovician | |
| 64710 | Silurian | |
| 64712 | Devonian | |
| 64714 | Carboniferous (Mississippian and Pennsylvanian) | |
| 64716 | Permian | |
| 64717 | Mesozoic, General | |
| 64718 | Triassic | |
| 64720 | Jurassic | |
| 64722 | Cretaceous | |
| 64723 | Cenozoic, General | |
| 64724 | Tertiary | |
| 64726 | Pleistocene | |
| 64728 | Recent |
When you perform a search and you have a subscription to Biological Abstracts, BIOSIS Citation Index, or BIOSIS Previews, you can copy a term from the following list and paste it in the Concept Codes/Headings field. You can also use these terms in advanced search using the CC field tag. Separate multiple terms using the OR Boolean operator.
| Broad Concept Heading | Concept Code | Concept Heading |
|---|---|---|
| General biology | 00502 | philosophy |
| 00504 | taxonomy, nomenclature and terminology | |
| 00506 | explorations, expeditions, etc. | |
| 00508 | institutions, administration and legislation | |
| 00510 | museums, botanical/zoological gardens, aquaria | |
| 00512 | conservation, resource management | |
| 00514 | textbooks, general; education; audio-visual aids | |
| 00516 | nature study and materials | |
| 00518 | nontechnical literature (minor only) | |
| 00520 | symposia, transactions, proceedings | |
| 00522 | history and archaeology | |
| 00524 | biographies | |
| 00526 | bibliography | |
| 00530 | information, documentation, retrieval and computer applications | |
| 00531 | forensic science | |
| 00532 | miscellaneous | |
| Methods | 01004 | laboratory methods |
| 01006 | laboratory apparatus | |
| 01008 | field methods | |
| 01010 | field apparatus | |
| 01012 | photography | |
| 01014 | apparatus; miscellaneous | |
| Microscopy | 01052 | general and special techniques |
| 01054 | cytology and cytochemistry | |
| 01056 | histology and histochemistry | |
| 01058 | electron microscopy | |
| Evolution | 01500 | Evolution |
| Cytology | 02502 | general |
| 02504 | plant | |
| 02506 | animal | |
| 02508 | human | |
| Genetics | 03502 | general |
| 03504 | plant | |
| 03506 | animal | |
| 03508 | human | |
| 03509 | population genetics | |
| 03510 | sex differences | |
| Mathematical biology and statistical methods | 04500 | Mathematical biology and statistical methods |
| Physical anthropology; ethnobiology | 05000 | Physical anthropology; ethnobiology |
| Social biology; human ecology | 05500 | Social biology; human ecology |
| Aerospace/underwater biology | 06002 | general; methods |
| 06004 | ecology and psychology | |
| 06006 | physiology and medicine | |
| 06008 | engineering and instrumentation | |
| 06010 | exobiology | |
| 06012 | space radiation | |
| Subterranean bioresearch | 06400 | Subterranean bioresearch |
| Radiation biology | 06502 | general |
| 06504 | radiation and isotope techniques | |
| 06506 | radiation effects and protective measures | |
| Behavioral biology | 07002 | general and comparative behavior |
| 07003 | animal behavior | |
| 07004 | human behavior | |
| 07005 | conditioning | |
| 07006 | animal communication | |
| Circadian rhythms and other periodic cycles | 07200 | Circadian rhythms and other periodic cycles |
| Ecology; Environmental Biology | 07502 | general; methods |
| 07504 | bioclimatology and biometeorology | |
| 07506 | plant | |
| 07508 | animal | |
| 07510 | oceanography and limnology | |
| 07512 | oceanography | |
| 07514 | limnology | |
| 07516 | wildlife management; aquatic | |
| 07518 | Wildlife management; terrestrial | |
| Clinical Biochemistry; General Methods and Applications | 10006 | Clinical biochemistry; general methods and applications |
| Comparative Biochemistry, General | 10010 | Comparative biochemistry, general |
| Biochemistry | 10011 | physiological water studies |
| Biochemistry; Gases | 10012 | Biochemistry; gases |
| Biochemistry methods | 10050 | general |
| 10052 | nucleic acids, purines and pyrimidines | |
| 10053 | vitamins | |
| 10054 | proteins, peptides and amino acids | |
| 10055 | porphyrins and bile pigments | |
| 10056 | lipids | |
| 10057 | sterols and steroids | |
| 10058 | carbohydrates | |
| 10059 | minerals | |
| Biochemistry Studies | 10060 | general |
| 10062 | nucleic acids, purines and pyrimidines | |
| 10063 | vitamins | |
| 10064 | proteins, peptides and amino acids | |
| 10065 | porphyrins and bile pigments | |
| 10066 | lipids | |
| 10067 | sterols and steroids | |
| 10068 | carbohydrates | |
| 10069 | minerals | |
| Replication, Transcription, Translation | 10300 | Replication, transcription, translation |
| Biophysics | 10502 | general biophysical studies |
| 10504 | general biophysical techniques | |
| 10506 | molecular properties and macromolecules | |
| 10508 | membrane phenomena | |
| 10510 | bioenergetics: electron transport and oxidative phosphorylation | |
| 10511 | bioengineering | |
| 10515 | biocybernetics | |
| External Effects | 10602 | general |
| 10604 | light and darkness | |
| 10606 | pressure | |
| 10608 | sonics; ultrasonics | |
| 10610 | electric, magnetic and gravitational phenomena | |
| 10612 | physical and mechanical effect | |
| 10614 | temperature as a primary variable | |
| 10616 | temperature as a primary variable - cold | |
| 10618 | temperature as a primary variable - hot | |
| 10620 | humidity | |
| Enzymes | 10802 | general and comparative studies; coenzymes |
| 10804 | methods | |
| 10806 | chemical and physical | |
| 10808 | physiological studies | |
| Anatomy General/Comparative | 11102 | gross anatomy |
| 11103 | comparative anatomy | |
| 11104 | experimental anatomy | |
| 11105 | surgery | |
| 11106 | radiologic anatomy | |
| 11107 | regeneration and transplantation | |
| 11108 | microscopic and ultramicroscopic anatomy | |
| Chordate Body Regions | 11302 | general |
| 11304 | head | |
| 11306 | facial | |
| 11308 | neck | |
| 11309 | shoulder | |
| 11310 | back and buttocks | |
| 11311 | lumbar | |
| 11312 | thorax | |
| 11314 | abdomen | |
| 11316 | pelvis | |
| 11318 | extremities | |
| Physiology: Gen./Misc. | 12002 | general |
| 12003 | comparative | |
| 12004 | instrumentation | |
| 12006 | methods | |
| 12008 | stress | |
| 12010 | exercise and physical therapy | |
| Movement | 12100 | Movement |
| Pathology: Gen./Misc. | 12502 | general |
| 12503 | comparative | |
| 12504 | diagnostic | |
| 12508 | inflammation and inflammatory disease | |
| 12510 | necrosis | |
| 12512 | therapy | |
| Metabolism | 13002 | general metabolism; metabolic pathways |
| 13003 | energy and respiratory metabolism | |
| 13004 | carbohydrates | |
| 13006 | lipids | |
| 13008 | sterols and steroids | |
| 13010 | minerals | |
| 13012 | proteins, peptides and amino acids | |
| 13013 | porphyrins and bile pigments | |
| 13014 | nucleic acids, purines and pyrimidines | |
| 13015 | vitamins, general | |
| 13016 | fat-soluble vitamins | |
| 13018 | water-soluble vitamins | |
| 13020 | metabolic disorders | |
| Nutrition | 13202 | general studies, nutritional status and methods |
| 13203 | malnutrition; obesity | |
| 13206 | minerals | |
| 13207 | vitamins, general | |
| 13208 | fat-soluble vitamins | |
| 13210 | water-soluble vitamins | |
| 13214 | general dietary studies | |
| 13216 | pathogenic diets | |
| 13218 | prophylactic and therapeutic diets | |
| 13220 | carbohydrates | |
| 13222 | lipids | |
| 13224 | proteins, peptides and amino acids | |
| 13226 | sterols and steroids | |
| Food Technology | 13502 | general; methods |
| 13504 | fruits, nuts and vegetables | |
| 13506 | milling technology | |
| 13508 | baking technology | |
| 13510 | cereal chemistry | |
| 13512 | malts, brews and other fermentation products | |
| 13514 | fats and oils | |
| 13516 | meats and meat by-products | |
| 13518 | dairy products | |
| 13520 | poultry and eggs | |
| 13522 | fish and other marine and freshwater products | |
| 13524 | sugar | |
| 13530 | evaluations of physical and chemical properties | |
| 13532 | preparation, processing and storage | |
| 13534 | synthetic, supplemental and enrichment foods | |
| Digestive System | 14001 | general; methods |
| 14002 | anatomy | |
| 14004 | physiology and biochemistry | |
| 14006 | pathology | |
| Cardiovascular System | 14501 | general; methods |
| 14502 | anatomy | |
| 14504 | physiology and biochemistry | |
| 14506 | heart pathology | |
| 14508 | blood vessel pathology | |
| Blood | 15001 | general; methods |
| 15002 | blood and lymph studies | |
| 15004 | blood cell studies | |
| 15006 | blood, lymphatic and reticuloendothelial pathologies | |
| 15008 | lymphatic tissue and reticuloendothelial system | |
| 15010 | other body fluids | |
| Urinary System | 15501 | general; methods |
| 15502 | anatomy | |
| 15504 | physiology and biochemistry | |
| 15506 | pathology | |
| Respiratory System | 16001 | general; methods |
| 16002 | anatomy | |
| 16004 | physiology and biochemistry | |
| 16006 | pathology | |
| Reproductive System | 16501 | general; methods |
| 16502 | anatomy | |
| 16504 | physiology and biochemistry | |
| 16506 | pathology | |
| Endocrine | 17002 | general |
| 17004 | adrenals | |
| 17006 | gonads and placenta | |
| 17008 | pancreas | |
| 17010 | parathyroid | |
| 17012 | pineal | |
| 17014 | pituitary | |
| 17016 | thymus | |
| 17018 | thyroid | |
| 17020 | neuroendocrinology | |
| Muscle | 17501 | general; methods |
| 17502 | anatomy | |
| 17504 | physiology and biochemistry | |
| 17506 | pathology | |
| Bones, Joints, Fasciae, Connective and Adipose Tissue | 18001 | general; methods |
| 18002 | anatomy | |
| 18004 | physiology and biochemistry | |
| 18006 | pathology | |
| Coelomic Membranes; Mesenteries and Related Structures | 18200 | Coelomic membranes; mesenteries and related structures |
| Integumentary System | 18501 | general; methods |
| 18502 | anatomy | |
| 18504 | physiology and biochemistry | |
| 18506 | pathology | |
| Dental Biology | 19001 | general; methods |
| 19002 | anatomy | |
| 19004 | physiology and biochemistry | |
| 19006 | pathology | |
| Sense Organs | 20001 | general; methods |
| 20002 | anatomy | |
| 20004 | physiology and biochemistry | |
| 20006 | pathology | |
| 20008 | deafness, speech and hearing | |
| Nervous System | 20501 | general; methods |
| 20502 | anatomy | |
| 20504 | physiology and biochemistry | |
| 20506 | pathology | |
| Psychiatry | 21001 | general; medical psychology and sociology |
| 21002 | psychopathology; psychodynamics and therapy | |
| 21003 | psychophysiology | |
| 21004 | addiction (alcohol, drugs, smoking, etc.) | |
| 21006 | mental retardation | |
| Pharmacology | 22002 | general |
| 22003 | drug metabolism; metabolic stimulators | |
| 22005 | clinical pharmacology | |
| 22008 | blood and hematopoietic agents | |
| 22010 | cardiovascular system | |
| 22012 | connective tissue, bone and collagen-acting drugs | |
| 22014 | digestive system | |
| 22016 | endocrine system | |
| 22018 | immunological processes and allergy | |
| 22020 | integumentary system, dental and oral biology | |
| 22022 | muscle system | |
| 22024 | neuropharmacology | |
| 22026 | psychopharmacology | |
| 22028 | reproductive system; implantation studies | |
| 22030 | respiratory system | |
| 22031 | sense organs, associated structures and functions | |
| 22032 | urinary system | |
| Routes of Immunization, Infection and Therapy | 22100 | Routes of immunization, infection and therapy |
| Toxicology | 22501 | general; methods and experimental |
| 22502 | foods, food residues, additives and preservatives | |
| 22504 | pharmacological toxicology | |
| 22505 | antidotes and preventative toxicology | |
| 22506 | environmental and industrial toxicology | |
| 22508 | veterinary toxicology | |
| Temperature | 23001 | general measurement and methods |
| 23004 | cryobiology | |
| 23005 | thermotherapy | |
| 23006 | hypothermia, hyperthermia | |
| 23007 | thermopathology | |
| 23008 | thermorhythms | |
| 23010 | thermoadaptation | |
| 23012 | thermoregulation | |
| Neoplasms | 24001 | diagnostic methods |
| 24002 | general | |
| 24003 | immunology | |
| 24004 | pathology; clinical aspects; systemic effects | |
| 24005 | neoplastic cell lines | |
| 24006 | biochemistry | |
| 24007 | carcinogens and carcinogenesis | |
| 24008 | therapeutic agents; therapy | |
| 24010 | blood and reticuloendothelial neoplasms | |
| Gerontology | 24500 | Gerontology |
| Pediatrics | 25000 | Pediatrics |
| Developmental/Embryology | 25502 | general and descriptive |
| 25503 | pathological | |
| 25504 | experimental | |
| 25508 | morphogenesis, general | |
| 25552 | descriptive teratology/teratogenesis | |
| 25554 | experimental teratology/teratogenesis | |
| Animal Production | 26502 | general; methods |
| 26504 | feeds and feeding | |
| 26506 | breeds and breeding | |
| Poultry Production | 27002 | general; methods |
| 27004 | feeds and feeding | |
| 27006 | breeds and breeding | |
| Microorganisms, General | 29500 | Microorganisms, general |
| Bacteriology, General and Systematic | 30000 | Bacteriology, general and systematic |
| Morphology and Cytology of Bacteria | 30500 | Morphology and cytology of bacteria |
| Physiology and Biochemistry of Bacteria | 31000 | Physiology and biochemistry of bacteria |
| Genetics of Bacteria and Viruses | 31500 | Genetics of bacteria and viruses |
| Microbiological Apparatus, Methods and Media | 32000 | Microbiological apparatus, methods and media |
| Microbiological Ultrastructure | 32300 | Microbiological ultrastructure |
| Tissue Culture, Apparatus, Methods and Media | 32500 | Tissue culture, apparatus, methods and media |
| In Vitro Studies, Cellular and Subcellular | 32600 | In vitro studies, cellular and subcellular |
| Virology | 33502 | general; methods |
| 33504 | bacteriophage | |
| 33506 | animal host viruses | |
| 33508 | plant host viruses | |
| Immunology | 34502 | general; methods |
| 34504 | bacterial, viral and fungal | |
| 34506 | immunohematology, blood groups | |
| 34508 | immunopathology, tissue immunology | |
| Immunology, Parasitological | 35000 | Immunology, parasitological |
| Allergy | 35500 | Allergy |
| Medical and Clinical Microbiology | 36001 | general; methods and techniques |
| 36002 | bacteriology | |
| 36006 | virology | |
| 36007 | phycology | |
| 36008 | mycology | |
| 36504 | serodiagnosis | |
| 36506 | skin tests | |
| Public Health | 37001 | general and miscellaneous |
| 37003 | epizootiology | |
| 37006 | public health laboratory methods | |
| 37008 | disinfection and vector control; pesticides | |
| 37010 | public health administration and statistics | |
| 37012 | health services and medical care | |
| 37013 | occupational health | |
| 37014 | sewage disposal and sanitary measures | |
| 37015 | air, water and soil pollution | |
| 37017 | radiation health | |
| 37019 | miscellaneous | |
| Public Health: Epidemiology | 37052 | communicable diseases |
| 37054 | organic diseases and neoplasms | |
| 37056 | miscellaneous | |
| Public Health: Disease Vectors | 37057 | general |
| 37058 | animate | |
| 37060 | inanimate | |
| Public Health Microbiology | 37400 | Public health microbiology |
| Veterinary Science | 38002 | general; methods |
| 38004 | pathology | |
| 38006 | microbiology | |
| Chemotherapy | 38502 | general; methods; metabolism |
| 38504 | antibacterial agents | |
| 38506 | antiviral agents | |
| 38508 | antifungal agents | |
| 38510 | antiparasitic agents | |
| Food Microbiology | 39002 | food and beverage spoilage and contamination |
| 39003 | food and beverage fermentation | |
| 39004 | antibiotics, biologics, other agents | |
| 39006 | biodegradation and biodeterioration | |
| 39007 | biosynthesis, bioassay and fermentation | |
| 39008 | general and miscellaneous | |
| Disinfection, Disinfectants and Sterilization | 39500 | Disinfection, disinfectants and sterilization |
| Soil Microbiology | 40000 | Soil microbiology |
| Cosmetics | 42100 | Cosmetics |
| Paleobotany | 50000 | Paleobotany |
| Palynology | 50100 | Palynology |
| Botany: General/Systematic | 50501 | cryptogamae (major only) |
| 50503 | thallophyta (major only) | |
| 50504 | algae (major only) | |
| 50506 | fungi (major only) | |
| 50510 | lichenes (major only) | |
| 50511 | embryophyta (major only) | |
| 50512 | bryophyta (major only) | |
| 50513 | tracheophyta (major only) | |
| 50514 | pteridophyta (major only) | |
| 50516 | spermatophyta (major only) | |
| 50518 | gymnospermae (major only) | |
| 50522 | angiospermae (major only) | |
| 50524 | monocotyledones (major only) | |
| 50526 | dicotyledones (major only) | |
| 50528 | floristics and distribution | |
| 50530 | gen./miscell. (major only) | |
| Morphology, Anatomy and Embryology of Plants | 51000 | Morphology, anatomy and embryology of plants |
| Plant Physiology | 51502 | water relations |
| 51503 | temperature | |
| 51504 | nutrition | |
| 51506 | photosynthesis | |
| 51508 | respiration, fermentation | |
| 51510 | growth, differentiation | |
| 51512 | reproduction | |
| 51514 | growth substances | |
| 51516 | light and radiation effects | |
| 51517 | electric, magnetic and gravitational phenomena | |
| 51518 | enzymes | |
| 51519 | metabolism | |
| 51520 | translocation, accumulation | |
| 51522 | chemical constituents | |
| 51523 | bioluminescence | |
| 51524 | apparatus and methods | |
| 51526 | general and miscellaneous | |
| Economic Botany, General | 52000 | Economic botany, general |
| Agronomy | 52502 | general, miscellaneous and mixed crops |
| 52504 | grain crops | |
| 52506 | forage crops and fodder | |
| 52508 | fiber crops | |
| 52510 | sugar crops | |
| 52512 | tobacco crops | |
| 52514 | oil crops | |
| 52518 | weed control | |
| Soil Science | 52801 | general; methods |
| 52803 | genesis, morphology, classification, geology | |
| 52805 | physics and chemistry | |
| 52807 | fertility and applied studies | |
| Horticulture | 53002 | temperate zone fruits and nuts |
| 53004 | tropical/subtropical fruits ; plantation crops | |
| 53006 | small fruits | |
| 53008 | vegetables | |
| 53010 | flowers and ornamentals | |
| 53012 | general; miscellaneous and mixed crops | |
| Forestry and Forest Products | 53500 | Forestry and forest products |
| Pharmacognosy and Pharmaceutical botany | 54000 | Pharmacognosy and pharmaceutical botany |
| Phytopathology | 54502 | diseases caused by fungi |
| 54504 | diseases caused by bacteria | |
| 54506 | diseases caused by phanerogams | |
| 54507 | diseases caused by algae | |
| 54508 | diseases caused by animal parasites | |
| 54510 | diseases caused by viruses | |
| 54512 | nonparasitic diseases | |
| 54514 | parasitism and resistance | |
| 54516 | disease control | |
| 54518 | general and miscellaneous | |
| Pest Control: General; Pesticides; Herbicides | 54600 | Pest control: general; pesticides; herbicides |
| Economic Entomology | 60002 | general |
| 60004 | field, flower and truck crops | |
| 60006 | fruits and nuts | |
| 60008 | stored products | |
| 60010 | trees, ornamentals and wood products | |
| 60012 | animal pests | |
| 60014 | biological control | |
| 60015 | integrated control | |
| 60016 | chemical control, general; apparatus | |
| 60018 | apiculture | |
| 60020 | sericulture | |
| Parasitology | 60502 | general |
| 60504 | medical | |
| 60506 | veterinary | |
| Sanitary entomology | 61000 | Sanitary entomology |
| Chordata: General/Systematic Zoology | 62502 | general (major only) |
| 62503 | protochordata (major only) | |
| Chordata: General/Systematic | 62510 | pisces (major only) |
| 62512 | amphibia (major only) | |
| 62514 | amphibia (major only) | |
| 62516 | reptilia (major only | |
| 62518 | aves (major only) | |
| 62520 | mammalia (major only) | |
| Animal Distribution | 62800 | Animal distribution |
| Paleozoology | 63000 | Paleozoology |
| Invertebrata: General/Systematic | 63501 | general (major only) |
| 63502 | protozoa (major only) | |
| 63504 | mesozoa (major only) | |
| 63506 | porifera (major only) | |
| 63508 | cnidaria (major only) | |
| 63509 | ctenophora (major only) | |
| 63510 | platyhelminthes (major only) | |
| 63512 | rhynchocoela (major only) | |
| 63514 | acanthocephala (major only) | |
| 63516 | aschelminthes (major only) | |
| 63518 | entoprocta (major only) | |
| 63520 | phoronidea (major only) | |
| 63522 | ectoprocta (major only) | |
| 63524 | brachiopoda (major only) | |
| 63526 | mollusca (major only) | |
| 63528 | sipunculoidea (major only) | |
| 63530 | annelida (major only) | |
| 63532 | echiuroidea (major only) | |
| 63534 | linguatulida (major only) | |
| 63536 | tardigrada (major only) | |
| 63538 | onychophora (major only) | |
| 63542 | chaetognatha (major only) | |
| 63544 | hemichordata (major only) | |
| 63546 | pogonophora (major only) | |
| 63548 | echinodermata (major only) | |
| 63552 | arthropoda: general (major only) | |
| 63554 | arthropoda: crustacea (major only) | |
| 63556 | arthropoda: myriapoda (major only) | |
| 63572 | insecta: general (major only) | |
| 63573 | insecta: coleoptera (major only) | |
| 63574 | insecta: diptera (major only) | |
| 63576 | fossil insecta (major only) | |
| 63578 | insecta: hemiptera | |
| 63580 | insecta: homoptera (major only) | |
| 63582 | insecta: hymenoptera (major only) | |
| 63584 | insecta: lepidoptera (major only) | |
| 63586 | insecta: neuroptera (major only) | |
| 63588 | insecta: orthoptera (major only) | |
| 63590 | insecta: other orders (major only) | |
| 63592 | chelicerata: general (major only) | |
| 63594 | chelicerata: arachnida (major only) | |
| 63596 | chelicerata: acarina (major only) | |
| 63597 | chelicerata: merostomata (major only) | |
| 63598 | chelicerata: pycnogonida | |
| Invertebrata: Comparative Experimental Morphology, Physiology and Pathology | 64001 | general |
| 64002 | protozoa | |
| 64004 | mesozoa | |
| 64006 | porifera | |
| 64008 | cnidaria | |
| 64009 | ctenophora | |
| 64010 | platyhelminthes | |
| 64012 | rhynchocoela | |
| 64014 | acanthocephala | |
| 64016 | aschelminthes | |
| 64018 | entoprocta | |
| 64020 | phoronidea | |
| 64022 | ectoprocta | |
| 64024 | brachiopoda | |
| 64026 | mollusca | |
| 64028 | sipunculoidea | |
| 64030 | annelida | |
| 64032 | echiuroidea | |
| 64034 | linguatulida | |
| 64036 | tardigrada | |
| 64038 | onychophora | |
| 64042 | chaetognatha | |
| 64044 | hemichordata | |
| 64046 | pogonophora | |
| 64048 | echinodermata | |
| 64052 | arthropoda: general | |
| 64054 | arthropoda: crustacea | |
| 64056 | arthropoda: myriapoda | |
| 64060 | arthropoda: chelicerata | |
| 64072 | insecta: general | |
| 64074 | insecta: morphology, comparative | |
| 64076 | insecta: physiology | |
| 64078 | insecta: pathology | |
| Invertebrate Body Regions | 64202 | general |
| 64204 | head | |
| 64206 | cephalothorax | |
| 64208 | thorax | |
| 64210 | abdomen | |
| 64212 | appendages | |
| 64214 | hard parts | |
| 64216 | orifices, pores and cavities | |
| 64218 | special organs | |
| Paleobiology | 64500 | Paleobiology |
| Geological Periods | 64702 | General and Unspecified |
| 64704 | Precambrian | |
| 64705 | Paleozoic, General | |
| 64706 | Cambrian | |
| 64708 | Ordovician | |
| 64710 | Silurian | |
| 64712 | Devonian | |
| 64714 | Carboniferous (Mississippian and Pennsylvanian) | |
| 64716 | Permian | |
| 64717 | Mesozoic, General | |
| 64718 | Triassic | |
| 64720 | Jurassic | |
| 64722 | Cretaceous | |
| 64723 | Cenozoic, General | |
| 64724 | Tertiary | |
| 64726 | Pleistocene | |
| 64728 | Recent |